US2696369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat exchanger
Assignee: Bastian Morley Co Inc
•
Filing: 1951-01-04
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Granted: 1954-12-07
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Expires: 1971-01-04
Abstract
No abstract record available.
Inventors
- 👤 James P Morley
- 👤 Robert J Cuff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:20
CPC Classifications
F; F28; F28D; F28D1/00; F28D1/02; F28D1/03; F28D1/0308; F24; F24C; F24C15/00; F24H; F24H3/00; F24H3/006; F28F; F28F9/00; F28F9/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-06 | 1958-06-07 | 1958-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-06 | 1962-06-07 | 1962-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-06 | 1966-06-07 | 1966-12-07 | $7700.00 | Window Closed / Lapsed |